106551807 has 8 divisors (see below), whose sum is σ = 145373184. Its totient is φ = 69382488.

The previous prime is 106551799. The next prime is 106551821. The reversal of 106551807 is 708155601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 106551807 - 2³ = 106551799 is a prime.

It is a super-2 number, since 2×106551807² = 22706575149930498, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106551827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 412863 + ... + 413120.

It is an arithmetic number, because the mean of its divisors is an integer number (18171648).

Almost surely, 2^106551807 is an apocalyptic number.

106551807 is a deficient number, since it is larger than the sum of its proper divisors (38821377).

106551807 is an equidigital number, since it uses as much as digits as its factorization.

106551807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826029.

The product of its (nonzero) digits is 8400, while the sum is 33.

The square root of 106551807 is about 10322.3934724462. The cubic root of 106551807 is about 474.0821529702.

The spelling of 106551807 in words is "one hundred six million, five hundred fifty-one thousand, eight hundred seven".